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Finding the Fourth Proportional to 500,693.45, 750,863.30 and 216,372.51

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Solution

The fourth proportional to 500,693.45, 750,863.30 and 216,372.51 is: 324,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,693.45 : 750,863.30 = 216,372.51 : x
  2. Step 2: Convert to fraction form
    500,693.45/750,863.30 = 216,372.51/x
  3. Step 3: Cross multiply
    500,693.45x = 750,863.30 × 216,372.51
  4. Step 4: Simplify right side
    500,693.45x = 162,466,175,806.02
  5. Step 5: Solve for x
    x = 162,466,175,806.02/500,693.45
  6. Step 6: Final answer
    x = 324,482.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.